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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 OpenStack LLC
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import sqlalchemy as sql
def upgrade(migrate_engine):
# Upgrade operations go here. Don't create your own engine; bind
# migrate_engine to your metadata
meta = sql.MetaData()
meta.bind = migrate_engine
# catalog
service_table = sql.Table(
'service',
meta,
sql.Column('id', sql.String(64), primary_key=True),
sql.Column('type', sql.String(255)),
sql.Column('extra', sql.Text()))
service_table.create(migrate_engine, checkfirst=True)
endpoint_table = sql.Table(
'endpoint',
meta,
sql.Column('id', sql.String(64), primary_key=True),
sql.Column('region', sql.String(255)),
sql.Column('service_id',
sql.String(64),
sql.ForeignKey('service.id'),
nullable=False),
sql.Column('extra', sql.Text()))
endpoint_table.create(migrate_engine, checkfirst=True)
# identity
role_table = sql.Table(
'role',
meta,
sql.Column('id', sql.String(64), primary_key=True),
sql.Column('name', sql.String(255), unique=True, nullable=False))
role_table.create(migrate_engine, checkfirst=True)
if migrate_engine.name == 'ibm_db_sa':
# NOTE(blk-u): SQLAlchemy for PostgreSQL picks the name tenant_name_key
# for the unique constraint, but for DB2 doesn't give the UC a name
# unless we tell it to and there is no DDL to alter a column to drop
# an unnamed unique constraint, so this code creates a named unique
# constraint on the name column rather than an unnamed one.
# (This is used in migration 16.)
tenant_table = sql.Table(
'tenant',
meta,
sql.Column('id', sql.String(64), primary_key=True),
sql.Column('name', sql.String(64), nullable=False),
sql.Column('extra', sql.Text()),
sql.UniqueConstraint('name', name='tenant_name_key'))
else:
tenant_table = sql.Table(
'tenant',
meta,
sql.Column('id', sql.String(64), primary_key=True),
sql.Column('name', sql.String(64), unique=True, nullable=False),
sql.Column('extra', sql.Text()))
tenant_table.create(migrate_engine, checkfirst=True)
metadata_table = sql.Table(
'metadata',
meta,
sql.Column('user_id', sql.String(64), primary_key=True),
sql.Column('tenant_id', sql.String(64), primary_key=True),
sql.Column('data', sql.Text()))
metadata_table.create(migrate_engine, checkfirst=True)
ec2_credential_table = sql.Table(
'ec2_credential',
meta,
sql.Column('access', sql.String(64), primary_key=True),
sql.Column('secret', sql.String(64)),
sql.Column('user_id', sql.String(64)),
sql.Column('tenant_id', sql.String(64)))
ec2_credential_table.create(migrate_engine, checkfirst=True)
if migrate_engine.name == 'ibm_db_sa':
# NOTE(blk-u): SQLAlchemy for PostgreSQL picks the name user_name_key
# for the unique constraint, but for DB2 doesn't give the UC a name
# unless we tell it to and there is no DDL to alter a column to drop
# an unnamed unique constraint, so this code creates a named unique
# constraint on the name column rather than an unnamed one.
# (This is used in migration 16.)
user_table = sql.Table(
'user',
meta,
sql.Column('id', sql.String(64), primary_key=True),
sql.Column('name', sql.String(64), nullable=False),
sql.Column('extra', sql.Text()),
sql.UniqueConstraint('name', name='user_name_key'))
else:
user_table = sql.Table(
'user',
meta,
sql.Column('id', sql.String(64), primary_key=True),
sql.Column('name', sql.String(64), unique=True, nullable=False),
sql.Column('extra', sql.Text()))
user_table.create(migrate_engine, checkfirst=True)
user_tenant_membership_table = sql.Table(
'user_tenant_membership',
meta,
sql.Column(
'user_id',
sql.String(64),
sql.ForeignKey('user.id'),
primary_key=True),
sql.Column(
'tenant_id',
sql.String(64),
sql.ForeignKey('tenant.id'),
primary_key=True))
user_tenant_membership_table.create(migrate_engine, checkfirst=True)
# token
token_table = sql.Table(
'token',
meta,
sql.Column('id', sql.String(64), primary_key=True),
sql.Column('expires', sql.DateTime()),
sql.Column('extra', sql.Text()))
token_table.create(migrate_engine, checkfirst=True)
def downgrade(migrate_engine):
# Operations to reverse the above upgrade go here.
meta = sql.MetaData()
meta.bind = migrate_engine
tables = ['user_tenant_membership', 'token', 'user', 'tenant', 'role',
'metadata', 'ec2_credential', 'endpoint', 'service']
for t in tables:
table = sql.Table(t, meta, autoload=True)
table.drop(migrate_engine, checkfirst=True)
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